In geometry, a translation is the shifting of a figure from one place to another without rotating, reflecting or changing its size. This is done by moving the vertices of the figure the prescribed number of spaces on a coordinate plane and then drawing the new figure.
These PFDs are designed to keep the wearer in a vertical position, but it is the wearersâ responsibility to maneuver themselves into a face-up position. Type III PFDs will keep unconscious wearers face-up just as well as a Type II vest.
1 Yamask's mask appears on top of Cofafrigus' face.  Despite being based on the coffin, Cofagrigus is not a Ground-type, or Rock type, nor able to learn any Ground or Rock type moves. And also despite the coffin's made out of metal, it is not a Steel type neither, nor able to learn any Steel type moves.